Dataset Information

All-Cause and Cause-Specific Mortality among Users of Basal Insulins NPH, Detemir, and Glargine.

ABSTRACT:

Background

Insulin therapy in type 2 diabetes may increase mortality and cancer incidence, but the impact of different types of basal insulins on these endpoints is unclear. Compared to the traditional NPH insulin, the newer, longer-acting insulin analogues detemir and glargine have shown benefits in randomized controlled trials. Whether these advantages translate into lower mortality among users in real life is unknown.

Objective

To estimate the differences in all-cause and cause-specific mortality rates between new users of basal insulins in a population-based study in Finland.

Methods

23 751 individuals aged ?40 with type 2 diabetes, who initiated basal insulin therapy in 2006-2009 were identified from national registers, with comprehensive data for mortality, causes of death, and background variables. Propensity score matching was performed on characteristics. Follow-up time was up to 4 years (median 1.7 years).

Results

2078 deaths incurred. With NPH as reference, the adjusted HRs for all-cause mortality were 0.39 (95% CI, 0.30-0.50) for detemir, and 0.55 (95% CI, 0.44-0.69) for glargine. As compared to glargine, the HR was 0.71 (95% CI, 0.54-0.93) among detemir users. Compared to NPH, the mortality risk for both cardiovascular causes as well as cancer were also significantly lower for glargine, and especially for detemir in adjusted analysis. Furthermore, the results were robust in various sensitivity analyses.

Conclusion

In real clinical practice, mortality was substantially higher among users of NPH insulin as compared to insulins detemir or glargine. Considering the large number of patients who require insulin therapy, this difference in risk may have major clinical and public health implications. Due to limitations of the observational study design, further investigation using an interventional study design is warranted.

SUBMITTER: Strandberg AY

PROVIDER: S-EPMC4816506 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

All-Cause and Cause-Specific Mortality among Users of Basal Insulins NPH, Detemir, and Glargine.

Strandberg Arto Y AY Hoti Fabian J FJ Strandberg Timo E TE Christopher Solomon S Haukka Jari J Korhonen Pasi P

PloS one 20160331 3

<h4>Background</h4>Insulin therapy in type 2 diabetes may increase mortality and cancer incidence, but the impact of different types of basal insulins on these endpoints is unclear. Compared to the traditional NPH insulin, the newer, longer-acting insulin analogues detemir and glargine have shown benefits in randomized controlled trials. Whether these advantages translate into lower mortality among users in real life is unknown.<h4>Objective</h4>To estimate the differences in all-cause and cause ...[more]

PMID: 27031113

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Project description:IntroductionUncontrolled type 2 diabetes (T2D) is associated with an increased risk of micro- and macrovascular complications and mortality. The impact of basal insulins on the risks of mortality and cardiovascular mortality in people with T2D has not been thoroughly investigated in real-world settings. The aim of the present real-word study was to investigate differences in mortality among insulin-naïve people with T2D who initiated insulin detemir (detemir) and insulin glargine (glargine).MethodsWe assessed all-cause and cardiovascular mortality in people with T2D, aged ≥ 40 years and insulin-naïve at treatment initiation. People were identified from the United Kingdom Clinical Practice Research Datalink GOLD national database (2004-2019). Database information included prescribed medications, demographic and clinical variables and mortality. Cause of death was obtained from the Office for National Statistics (ONS). For mortality, 24 clinically relevant confounders were considered and adjusted for using Cox regression analyses.ResultsThe total cohort included 12,847 people with T2D, including 3031 who commenced detemir and 9816 who commenced glargine. Median age was 66.8 years and median diabetes duration was 7.6 years. From the total cohort, 3231 deaths occurred during follow-up and 6897 people were eligible for linkage to the ONS for cardiovascular mortality data (528 cardiovascular deaths). The adjusted hazard ratio (HR) (95% confidence interval [CI]) was 0.86 (0.79; 0.95) for all-cause mortality and 0.83 (0.67; 1.03) for cardiovascular mortality, in favour of detemir versus glargine. These associations were more pronounced among people with obesity (body mass index ≥ 30 kg/m2), with HRs (95% CI) of 0.79 (0.69; 0.91) and 0.69 (0.50; 0.96) for all-cause and cardiovascular mortality, respectively.ConclusionIn this real-world observational study, there was an association between all-cause mortality and basal insulin choice in insulin-naïve people with T2D; the mortality risk was lower with detemir versus glargine after adjustment for potential confounders.

Project description:BACKGROUND:Chronically elevated blood glucose levels are associated with significant morbidity and mortality. Many diabetes patients will eventually require insulin treatment to maintain good glycaemic control. There are still uncertainties about the optimal insulin treatment regimens for type 2 diabetes, but the long-acting insulin analogues seem beneficial. Several reviews have compared either insulin detemir or insulin glargine to NPH insulin, but research directly comparing both insulin analogues is limited. OBJECTIVES:To assess the effects of insulin detemir and insulin glargine compared with each other in the treatment of type 2 diabetes mellitus. SEARCH STRATEGY:We searched MEDLINE, EMBASE, The Cochrane Library, online registries of ongoing trials and abstract books. Date of last search was January 2011. SELECTION CRITERIA:All randomised controlled trials comparing insulin detemir with insulin glargine with a duration of 12 weeks or longer were included. DATA COLLECTION AND ANALYSIS:Two authors independently selected the studies and extracted the data. Pooling of studies by means of random-effects meta-analysis was performed. MAIN RESULTS:This review examined four trials lasting 24 to 52 weeks involving 2250 people randomised to either insulin detemir or glargine. Overall, risk of bias of the evaluated studies was high. Insulin glargine was dosed once-daily in the evening. Insulin detemir was initiated once-daily in the evening with the option of an additional dose in the morning in three studies and initiated twice-daily in one study. Of randomised patients 13.6% to 57.2% were injecting insulin detemir twice-daily at the end of trial.Glycaemic control, measured by glycosylated haemoglobin A1c (HbA1c) and HbA1c equal to or less than 7% with or without hypoglycaemia, did not differ statistically significantly between treatment groups.The results showed no significant differences in overall, nocturnal and severe hypoglycaemia between treatment groups.Insulin detemir was associated with less weight gain. Treatment with insulin glargine resulted in a lower daily basal insulin dose and a lower number of injection site reactions.There was no significant difference in the variability of FPG or glucose values in 24-hour profiles between treatment groups. It was not possible to draw conclusions on quality of life, costs or mortality. Only one trial reported results on health-related quality of life and showed no significant differences between treatment groups. AUTHORS' CONCLUSIONS:Our analyses suggest that there is no clinically relevant difference in efficacy or safety between insulin detemir and insulin glargine for targeting hyperglycaemia. However, to achieve the same glycaemic control insulin detemir was often injected twice-daily in a higher dose but with less weight gain, while insulin glargine was injected once-daily, with somewhat fewer injection site reactions.

Dataset Information

All-Cause and Cause-Specific Mortality among Users of Basal Insulins NPH, Detemir, and Glargine.

Background

Objective

Methods

Results

Conclusion

Publications

All-Cause and Cause-Specific Mortality among Users of Basal Insulins NPH, Detemir, and Glargine.

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